Cics Training Class 02

7/18/2019 Cics Training Class 02

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www.mainframes-online-training.weebly.com Polsani Anil Kumar

IBM MAINFRAMES

CICS Training Class-02
http://www.mainframes-online-training.weebly.com/http://www.mainframes-online-training.weebly.com/http://www.mainframes-online-training.weebly.com/


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Macros used in BMS Mapset

PRINT NOGEN

Coded once at the beginning of the mapset; tells the

assembler not to print the statements generated as a result ofexpanding the BM macros.

END

Must be the last statement in the input stream; tells the

assembler that there are no more source statements.


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DFHMSD Macro

DFHMSD! "o define the mapset and supplies #alues thatapply to the entire mapset.

$AM% &'(M& ")P%*+,)PAM &%C" MAP/0

1A$2*+C3B31 AM P14 /0M3&%*+4$ 35" 4$35"/0

"%M*terminal6type0

C"1*7option0 option...80

"3A2%*A5"30

MAPA""*7C3130(4142("80&A""*7C3130(4142("80

"43AP'9*+)% $3/

&'(M& ")P%*'4$A1


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MAPSET Parameter Eplanation

NAME! 5sed to refer the mapset in an application program.

TYPE! pecifies whether a physical map 7MAP80 ymbolicmap 7&%C"80 or both 7,)PAM8 will be generated.

")P%*'4$A1 mar:s the end of a mapset.

LANGpecifies the programming language! C3B310 AM 0

P14.

MODEpecifies whether the mapset is used for input 74$80

output 735"80 or both 74$35"8.


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CTRL pecifies a list of control options in effect for each map

in the mapset. Common options are!

'%%KB 'ree the :eyboard after each output operation.

A1AM ound the audio alarm .

'%"! "o reset all the map filed #alues.

STORAGE 4f "3A2%*A5"3 is coded0 the symbolic

maps for the maps in the mapset will occupy separate storage

locations. 3therwise0 they


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TIOAPFX! )% generates a =>6byte '411% item at the

beginning of the symbolic map that the system uses to maintain

control information. )% should always be specified for

C3B31 maps 7$3 is the default8.

MAPATTS / DSATTS pecifies which extended attributes

should be supported by the symbolic map. C313 and

(4142(" are the most common and are usually coded

together. TERMpecifies the type of terminal that will be supported by

the physical map generated by this mapset. Common #alues

are! A11 or ?>@ upport for any terminal.


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DFHMDI Macro

DFHMDICoded once for each map within the mapset; supplies

#alues that apply to a single map.

$AM% &'(M&4 4%*7lines0 columns80

14$%*line6number0

C315M$*column6number0

C"1*7option0 option...8


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MAP Parameter Eplanation

NAME! "he one6 to se#en6character name of the map. %ach

map within a mapset must ha#e a uniDue name.

SIZE! pecifies the siEe of the map in lines and columns.

5sually coded 4%*7>F0G8

LINEpecifies the line number on the screen where the map

starts. 5sually coded 14$%*=.

COLUMNpecifies the column number on the screen wherethe map starts. 5sually coded C315M$*=.

CTRLpecifies a list of control options in effect for the map.

Common options are! '%%KB . A1AM , '%"


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DFHMDF Macro

DFHMDFCoded once for each field 7or attribute byte8 within themap; specifies the position0 length0 and attributes of a screen field.

$AM% &'(M&' P3*714$%0C315M$81%$2"(*'4%1& 1%$2"(

A""B*7P3"0$5M04C0'%"0B"8

C313*C3130

(4142("*(42(142("0

4$4"4A1*HliteralI0

P4C4$*HP4C"5%-"4$2I0

P4C35"*HP4C5"%-"4$2I


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Map Field Parameter Eplanation

NAME"he =6 to >J6character name for the field. 4f omitted0 the

field is not included in the symbolic map.

POSpecifies the line and column position of the attribute byte.

LENGTHpecifies the length of the field0 not including theattribute byte.

COLORpecifies the field


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INITIALpecifies the starting #alue of the field. 4f omitted0 the

default is hexadecimal Eeros 71ow6alue8.

PICINpecifies a C3B31 picture string that defines the formatof the data on input0 li:e PICIN*


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ATTRB! pecifies one or more attribute byte settings for the

field. 4f omitted0 the default is $3M0 AK4P. 4f one or more

options are specified0 the default becomes $3M0 5$P3".

B" "he field is displayed with high intensity.

$3M "he field is displayed with regular intensity.

&K "he field is not displayed on the screen.

P3" "he field is protected; data may not be :eyed into it.

AK4P "he field is protected0 and the cursor will automatically

s:ip o#er it.

5$P3" "he field is unprotected; data may be :eyed into it.


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NUM"urns on the numeric loc: feature so only numeric

characters can be entered; the field is right Nustified and Eero

filled. 4f omitted0 the field is assumed to be alphanumeric and

is left Nustified and space filled.

ICpecifies that the cursor should be located at the start of the

field.

FSETpecifies that the M&" bit in the attribute byte should be

turned on before the map is sent to the terminal.


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An Attri!ute B"te

%ach field on a screen is preceded by an attribute byte that

controls the appearance and operation of the field.

"he attributes byte determine a field


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T#e contents o$ an attri!ute !"te

Bit positios F!ctios Bit s"tti#s

-= &epends on the contents of bits >6@

>-? Protection andhift

* 5nprotected alphanumeric= * 5nprotected numeric

= * Protected== * Protected s:ip

F-O 4ntensity * $ormal= * $ormal= * Bright

== * &ar: 7$o display8

Must be

@ M&" * 'ield has not been modified

= * 'ield has been modified


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M%T Modi&ed %ata Tag

Modified &ata "ag is the last bit of an attribute byte that says

whether a field has been modified or not. "erminal sends a

field data only if the M&" is on. 3therwise0 the field #alue is

not transmitted.

M&"


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S$ipp"r % Stopp"r T"c&i'!"

BM does not automatically generate attribute byte to mar: theend of an unprotected field. "he user ha#e to do it himself usings:ipper stopper field.

o after e#ery unprotected field an unlabeled s$ipp"r/stopp"r

field must be defined with attribute parameter as AK4P P3"

:ipper filed ! 4tIs a = byte filed with AK4P 7a!tos$ip8 attributeused to s:ip the cursor to the next unprotected filed.

&'(M&' P3*71n0Cn80A""B*AK4P01%$2"(*= topper filed ! 4tIs a = byte filed with P3" 7prot"ct8 attribute

used to stop the cursor in order to pre#ent filed o#erflow.

&'(M&' P3*71n0Cn80A""B*P3"01%$2"(*=


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MAPSET PR'(RAM


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MAPSET PR'(RAM


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CICS Resource %e&nitions


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)ie*ing Map


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)ie*ing Map


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)ie*ing Map


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T#an+ ,ou

Po(sai Ai( )!*ar

Cics Training Class 02

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